What are your color settings?
CompanyBox accepts artwork in both CMYK and RGB, however we encourage customers to convert images to CMYK before uploading. This ensures you will be able to soft-proof your CMYK images on you monitor and see color results after the conversion. Images supplied in RGB will be converted to CMYK with an automated process using embedded RGB profiles.
Please be aware that screen colors (RGB) may appear duller or lack contrast when printed.